CMC Medical CMC-Medical VELLORE Solved Paper-2009

  • question_answer
    One gas bleaches the colour of flowers by reduction and another gas by oxidation. The gases respectively are

    A)  \[S{{O}_{2}}\]and \[C{{l}_{2}}\]               

    B)  \[CO\]and \[C{{l}_{2}}\]

    C)  \[N{{H}_{3}}\]and\[S{{O}_{2}}\]              

    D)  \[{{H}_{2}}S\]and \[B{{r}_{2}}\]

    Correct Answer: A

    Solution :

                     The bleaching action of\[S{{O}_{2}}\]is due to reduction while the bleaching action of \[C{{l}_{2}}\]is due to oxidation.


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